970 Case Hydraulic Help

Posted by Tammarine on February 04, 2013 at 13:35:51 from (107.36.78.94):

Need some help resolving hydraulic issues with a 970 Case 8 spd Manual Shift. Zero to very little hydraulic pressure to remotes, steering, and three point even when engine is at full throttle. However, PTO seems to work just fine even on a maximum work load so not sure that it is the pump. After trying to generate pressure on the remotes at full throttle, there appears to be a lot of air foaminess in the oil when viewing the glass indicator bubbles on the side of the transmission housing. If the pump is sucking air at the intake, then why does the PTO perform ok? Have seen similar threads at this site previous, and wondering if someone here might give me some clues before I tear this thing down and go after it.

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